Spline Struct Reference

Spline structure for zero-order & linear splines. More...

#include <tools.h>

Public Member Functions
double	val (double x) const
	get value of spline at point x
double	err (double x) const
	get error of spline at point x
double	center () const
	Get center of the spline domain.
void	print (TString tag="")
	print the spline

Public Attributes
std::vector< double >	nodes
	vector of spline nodes
std::vector< double >	vals
	vector of spline values
std::vector< double >	errs
	vector of spline errors

Detailed Description

Spline structure for zero-order & linear splines.

nodes.size() <= 1 -> order=0 , nodes.size() == vals.size() -> order=1

Definition at line 165 of file tools.h.

Constructor & Destructor Documentation

Spline()

Spline ( )

inline

Definition at line 208 of file tools.h.

: nodes{}, vals{0}, errs{0}   {}

Member Function Documentation

center()

double center ( ) const

inline

Get center of the spline domain.

Definition at line 177 of file tools.h.

    {
      if (nodes.size() == 0)  //dummy situation
        return 0;
      else if (nodes.size() % 2 == 1)
        return nodes[nodes.size() / 2];
      else
        return (nodes[nodes.size() / 2 - 1]  +  nodes[nodes.size() / 2]) / 2;
    }

err()

double err ( double  x ) const

inline

get error of spline at point x

Definition at line 174 of file tools.h.

{return eval(nodes, errs, x);}

print()

void print ( TString  tag = "" )

inline

print the spline

Definition at line 188 of file tools.h.

    {
      std::cout << tag << " : nodes: ";
      for (auto n : nodes) {
        std::cout << n << " ";
      }
      std::cout << std::endl;
      std::cout << tag << " : vals: ";
      for (auto n : vals) {
        std::cout << n << " ";
      }
      std::cout << std::endl;
 
      std::cout << tag << " : errs: ";
      for (auto n : errs) {
        std::cout << n << " ";
      }
      std::cout << std::endl;
    }

val()

double val ( double  x ) const

inline

get value of spline at point x

Definition at line 171 of file tools.h.

{return eval(nodes, vals, x);}

Member Data Documentation

errs

std::vector<double> errs

vector of spline errors

Definition at line 168 of file tools.h.

nodes

std::vector<double> nodes

vector of spline nodes

Definition at line 166 of file tools.h.

vals

std::vector<double> vals

vector of spline values

Definition at line 167 of file tools.h.

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The documentation for this struct was generated from the following file:

• reconstruction/calibration/BeamSpotBoostInvMass/include/tools.h